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obd-poller done (mode 01); DTC/MUT-III and first decoding captures next

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DDwfd6Ki8UfG4hK6W5YpJz
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Mikkeli Matlock
2026-10-12 23:25:04 +09:00
parent 8a82cb1c78
commit 180ad16730
2 changed files with 8 additions and 2 deletions
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README.md
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@@ -34,7 +34,7 @@ Planned repositories and the reasoning behind the split are described in
|---|---|
| NVIDIA Jetson Orin Nano Super (`mikkeli-orin-nano`) | Car unit: main compute, JetPack r36.4 / Ubuntu 22.04 |
| NVIDIA Jetson Orin Nano Super (`mikkeli-orin-nano-2`) | Development unit: builds, CI, bench (see [REPOS](docs/REPOS.md)) |
| PEAK PCAN-USB | Car CAN bus access (`can_pcan`, 500 kbps measured at the OBD port; listen-only until `obd-poller`) |
| PEAK PCAN-USB | Car CAN bus access (`can_pcan`, 500 kbps measured at the OBD port; `obd-poller` is its single writer) |
| Onboard MTTCan | Second CAN interface (`can_onboard`) |
| Waveshare SIM7600G-H-M.2 | LTE Cat 4 (povo, fallback uplink below WiFi/Ethernet) + GNSS |
docs/ROADMAP.md
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@@ -59,7 +59,13 @@ mark …`, or the app's Mark button), on the same clock as the frames.
`docs/impl/reports/Z27AG-CAN-PRIOR-ART.md`
- [ ] Build the Z27AG DBC incrementally in `contracts`
- [ ] `decoder` — raw frames to named signals
- [ ] `obd-poller` — active OBD-II PIDs, single writer, rate-limited
- [x] `obd-poller` — active OBD-II PIDs, single writer, 2026-10-12: mode 01, the
nine `obd2` signals (~10 Hz fast, 1 Hz slow), only while the bus is alive;
`can_pcan` out of listen-only. Recorded beside the frames (`vehicle.ndjson`)
- [ ] OBD-II beyond mode 01: DTC scan (modes 03/07/0A) and MUT-III `21 xx`
requests, both needing multi-frame (ISO-TP) replies
- [ ] First decoding captures in the car, per contracts
`docs/impl/plans/Z27AG-CAPTURES.md`
- [ ] `gnss` — position/speed, useful as ground truth for validating decoded speed
OBD-II gives standardised signals quickly and is worth doing early; it also